/* 
 * HaoRan ImageFilter Classes v0.1
 * Copyright (C) 2012 Zhenjun Dai
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation; either version 2.1 of the License, or (at your
 * option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation.
 */

package HaoRan.ImageFilter;

import java.util.ArrayList;
import java.util.List;
import android.graphics.Color;

/**
 * 夜视效果
 * @author daizhj
 *
 */
public class NightVisionFilter implements IImageFilter{

	private NoiseFilter noisefx = new NoiseFilter();
	private ImageBlender blender = new ImageBlender();
    private VignetteFilter vignetteFx = new VignetteFilter();
    private GradientMapFilter gradientFx = new GradientMapFilter();
    
    public NightVisionFilter(){
		noisefx.Intensity = 0.15f;
		 
		vignetteFx.Size = 1f;
		
		List<Integer> colors = new ArrayList<Integer>();
	    colors.add(Color.BLACK);
	    colors.add(Color.GREEN);
	    gradientFx.Map = new Gradient(colors);
	    gradientFx.BrightnessFactor = 0.2f;
	}

	 //@Override
    public Image process(Image imageIn) {
    	imageIn = noisefx.process(imageIn);
    	imageIn = gradientFx.process(imageIn);
    	imageIn = vignetteFx.process(imageIn);
     	return imageIn;
    }
}
